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A moving mesh method to deal with cable structures subjected to moving loads and its application to the catenary-pantograph dynamic interaction

J.R. Jiménez-Octavio, A. Carnicero, C. Sanchez-Rebollo, M. Such

This paper presents a method to analyse the dynamic response of a cable structure subjected to moving loads. A moving mesh algorithm, integrated into a general finite element method, has been developed with regard to the contact between moving loads and cable structures. The application of the method to the interaction between railway overhead lines and train pantograph has been carried out in order to demonstrate the flexibility and advantages of this proposal against traditional meshing techniques. The simulation case corresponds to the reference model proposed by the European Standard EN 50318. The results of both models, with and without moving mesh, are accurate enough to obtain results inside the validation limits proposed by the same regulation. Moreover, the main advantage of the moving mesh method is that it is more than 2.5 times faster for an equivalent accuracy.


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Journal of Sound and Vibration. Volumen: 349 Páginas: 216-229

Índice de impacto JCR y cuartil WoS: 2.107 - Q1 (2015); 3.123 - Q1 (2018)

Referencia DOI: DOI icon 10.1016/j.jsv.2015.03.051    

Publicado en papel: Agosto 2015. Publicado on-line: Abril 2015.



Cita:
J.R. Jiménez-Octavio, A. Carnicero, C. Sanchez-Rebollo, M. Such. A moving mesh method to deal with cable structures subjected to moving loads and its application to the catenary-pantograph dynamic interaction. Journal of Sound and Vibration. vol. 349, pp. 216-229, Agosto 2015. [Online: Abril 2015]


    Líneas de investigación:
  • *Sistemas Mecánicos: Mecánica Estructural, Elementos de Máquinas, Prototipado Rápido, Metrología Dimensional

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